CN216174045U

CN216174045U - Screening device

Info

Publication number: CN216174045U
Application number: CN202122353129.9U
Authority: CN
Inventors: 熊保林; 胥明旺; 马永福; 袁明福; 王明辉; 李永生; 仝兴武; 赵建宇; 李建伟
Original assignee: Hebei Jinxi Iron And Steel Group Co ltd
Current assignee: Hebei Jinxi Iron And Steel Group Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-04-05
Anticipated expiration: 2031-09-27

Abstract

The utility model provides screening equipment, which relates to the technical field of material screening and comprises a rack, a screening component and a material taking frame, wherein a vibrator is arranged on one side of the rack; the screening assembly is arranged on the rack and comprises a plurality of screens which are sequentially arranged from bottom to top and a placing frame arranged below the screen at the lowermost layer; the material taking frame is connected above the screening component in a sliding mode along the horizontal direction and used for extending into the lower portion of the vibrating screen to receive materials; the mesh size of the screen above is larger than the mesh size of the screen below. According to the screening equipment provided by the utility model, materials are taken from the lower part of the vibrating screen by virtue of the material taking frame which is connected above the screening component in a sliding manner, and the materials are screened by utilizing the plurality of sequentially arranged screen meshes under the vibration action of the vibrator, so that the screening efficiency is improved, the safety of material taking is ensured, and the screening and detection efficiency is improved.

Description

Screening device

Technical Field

The utility model belongs to the technical field of material screening, and particularly relates to screening equipment.

Background

In the blast furnace smelting production, the sinter accounts for most of the burden, and the particle size and distribution of the sinter determine the air permeability of the material layer in the blast furnace cavity. In the prior art, the size fraction of the sinter needs to be frequently detected so as to ensure that the size fraction of the sinter meets the production requirement.

At present, a manual shovel is generally adopted to be connected and taken from the lower part of the vibrating screen, but the mode is complex to operate on one hand, and potential safety hazards exist on the other hand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide screening equipment which can conveniently take and screen sintered ores and improve the efficiency of detecting the granularity of the sintered ores.

In order to achieve the purpose, the utility model adopts the technical scheme that: the screening equipment comprises a rack, a screening component and a material taking frame, wherein a vibrator is arranged on one side of the rack; the screening assembly is arranged on the rack and comprises a plurality of screens which are sequentially arranged from bottom to top and a placing frame arranged below the screen at the lowermost layer; the material taking frame is connected above the screening component in a sliding mode along the horizontal direction and used for extending into the lower portion of the vibrating screen to receive materials;

wherein the mesh size of the screen mesh located above is larger than the mesh size of the screen mesh located below.

In a possible implementation manner, a sliding rail is arranged at the upper edge of the screen mesh positioned at the uppermost layer, and a sliding block in sliding fit with the sliding rail is arranged at the bottom of the material taking frame.

In some embodiments, the one end that the sieve shakes is kept away from to the track that slides is equipped with the stopper that is used for the spacing slide position of getting the material frame, gets to be equipped with the spacing platform of downward arch on the bottom surface of material frame and with the inner wall butt of screen cloth, and spacing platform is located the one side of getting the material frame and keeping away from the sieve that shakes.

In some embodiments, get the material frame and keep away from the one side that shakes the sieve and be equipped with the opening of unloading, get material frame go up sliding connection and have the stripper that can shift up and open the opening of unloading.

In some embodiments, the upper edge of the stripper plate is provided with an upwardly extending lifting block.

In a possible implementation manner, the horizontal projection of the screen is rectangular, four limiting vertical plates which are respectively located at the side part of the screening assembly and used for limiting the screen are arranged on the rack, and the vibrator is arranged on one of the limiting vertical plates.

In some embodiments, a plurality of upwardly extending limiting support columns are arranged on the top surface of the lower screen, and limiting holes for accommodating the limiting support columns are arranged on the bottom surface of the upper screen, and the limiting holes correspond to the limiting support columns one to one.

In some embodiments, the top surface of the placing frame is also provided with a plurality of upwardly extending limiting supporting columns, and the bottom surface of the fourth screen is provided with a plurality of limiting holes.

In a possible implementation manner, the number of the screens is four, the four screens are respectively a first screen, a second screen, a third screen and a fourth screen from top to bottom, the side length of each screen hole of the first screen is 40mm, the side length of each screen hole of the second screen is 25mm, the side length of each screen hole of the third screen is 10mm, and the side length of each screen hole of the fourth screen is 5 mm.

In a possible realization mode, a push-pull handle is arranged on the machine frame, universal wheels are arranged at the bottom of the machine frame, and locking pieces are arranged on the universal wheels.

Compared with the prior art, the scheme that this application embodiment shows, the screening equipment that this application embodiment provided, with the help of sliding connection get the material frame above the screening subassembly and receive from the sieve below of shaking and get the material, under the vibration of vibrator, utilize a plurality of screens of arranging in order to carry out the screening of material, be convenient for improve screening efficiency, also guaranteed the security when the material connects to get simultaneously, help improving screening and detection efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic sectional structural view in front view of a screening device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a partial enlarged structure of FIG. 1;

FIG. 3 is a schematic diagram of a front view of another state of a screening device according to an embodiment of the present invention;

fig. 4 is a schematic top view of the rack and the placement frame in fig. 1 according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. a frame; 11. a vertical limiting plate; 12. a push-pull handle; 13. a universal wheel; 14. placing the frame; 21. a first screen; 22. a second screen; 23. a third screen; 24. a fourth screen; 25. limiting the supporting columns; 26. a limiting hole; 3. taking a material frame; 31. a limiting table; 32. a stripper plate; 33. lifting the block; 4. a vibrator; 51. a sliding track; 52. and a limiting block.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular operation, and are therefore not to be considered limiting. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a number" means two or more unless specifically limited otherwise.

Referring to fig. 1 and 4 together, the sieving apparatus of the present invention will now be described. The screening device comprises a frame 1, a screening component and a material taking frame 3, wherein a vibrator 4 is arranged on one side of the frame 1; the screening assembly is arranged on the frame 1 and comprises a plurality of screens which are sequentially arranged from bottom to top and a placing frame 14 arranged below the screen at the lowermost layer; the material taking frame 3 is connected above the screening assembly in a sliding mode along the horizontal direction and used for extending into the lower portion of the vibrating screen to take materials;

The screening equipment that this embodiment provided compares with prior art, and the screening equipment that this embodiment provided connects from the sieve below of shaking with the help of sliding connection getting of material frame 3 in screening subassembly top and gets the material, under the vibration effect of vibrator 4, utilizes a plurality of screen meshes of arranging in order to carry out the screening of material, is convenient for improve screening efficiency, has also guaranteed simultaneously that the material connects the security when getting, helps improving screening and detection efficiency.

In some possible implementations, referring to fig. 1, the upper edge of the screen mesh on the uppermost layer is provided with a sliding rail 51, and the bottom of the material taking frame 3 is provided with a sliding block slidably engaged with the sliding rail 51.

Get the material frame 3 and set up the top at the screen cloth of the superiors, cooperate with the slip track 51 through the sliding block of its bottom so that get material frame 3 can horizontal migration, and stretch into the sieve below of shaking and in order to receive and get the material, receive and get and return to the screen cloth top again after accomplishing, unload the material to the screening subassembly in, start vibrator 4, carry out the screening of material, after the screening, take out each layer screen cloth, and the weight of the material of different particle diameters in the corresponding weighing each screen cloth, obtain the size condition of material, in order to judge whether to accord with the requirement of required size.

In some embodiments, the characteristic slip track 51 may be configured as shown in FIG. 1. Referring to fig. 2, one end of the sliding track 51, which is far away from the vibrating screen, is provided with a limiting block 52 for limiting the sliding position of the material taking frame 3, the bottom surface of the material taking frame 3 is provided with a downward protrusion and is abutted against a limiting table 31 with the inner wall of the screen, and the limiting table 31 is located on one side, which is far away from the vibrating screen, of the material taking frame 3.

Stopper 52 sets up in the one end of track 51 that slides, need pull back to screen cloth top after getting material frame 3 and getting the material and accomplish, in order to avoid pulling back excessively to cause getting dropping of material frame 3, has set up stopper 52 at the tip of track 51 that slides, realizes getting the limiting displacement of material frame 3.

The limiting table 31 arranged at the bottom of the material taking frame 3 can limit the material taking frame 3 to the limit position below the vibrating screen, so that the material taking frame 3 is prevented from falling off from the sliding rail 51, and the material taking frame 3 can have the maximum outward extension to realize effective material taking.

In some embodiments, the above-mentioned characteristic material-taking frame 3 may adopt a structure as shown in fig. 1. Referring to fig. 1, a discharging opening is formed in one side of the material taking frame 3 away from the vibrating screen, and a discharging plate 32 capable of moving upwards and opening the discharging opening is slidably connected to the material taking frame 3.

In order to facilitate the material in the material taking frame 3 to be discharged into the screening component below, one side wall of the material taking frame 3 is removed to form a discharging opening, grooves which are communicated along the vertical direction are formed in the inner wall plates of the two side walls of the material taking frame 3 adjacent to the discharging opening, and the discharging plate 32 is inserted into the grooves along the vertical direction. When unloading, take out the stripper 32 upwards from the recess, the material drops from the opening of unloading, gets the material in the material frame 3 and can sweep with the help of the stripper 32 and fall into the screen cloth, is convenient for carry out subsequent screening.

In some embodiments, the stripper plate 32 of the above-described features may take the configuration shown in FIG. 1. Referring to fig. 1, the upper edge of the stripper plate 32 is provided with an upwardly extending lifting block 33.

During the loading and unloading of the material, the stripper plate 32 needs to be extracted from above. The lifting block 33 is arranged at the upper edge of the discharging plate 32, so that a worker can conveniently grasp the discharging plate by hands, the operating efficiency is improved, and the operating difficulty is reduced.

In some possible implementations, the above-described feature screen is configured as shown in fig. 1 and 3. Referring to fig. 1 and 3, the horizontal projection of the screen is rectangular, four limiting vertical plates 11 respectively located at the side of the screening assembly to limit the screen are arranged on the frame 1, and the vibrator 4 is arranged on one of the limiting vertical plates 11.

The screen cloth adopts the rectangle structure, and spacing riser 11 is located the outside of four sides of screen cloth, and every 11 homoenergetic of spacing riser are laminated on the lateral wall of screen cloth, realize effectively injecing the screen cloth position. The vibrator 4 sets up on one of them spacing riser 11, and when vibrator 4 drove a plurality of screen cloth vibrations, the relative position between a plurality of screen cloths is limited by spacing riser 11, can keep relatively stable, avoids it to take place the dislocation and drops, and then guarantees the reliability of screening.

In some embodiments, referring to fig. 1 and 3, a plurality of upwardly extending limiting support pillars 25 are disposed on the top surface of the lower screen, and limiting holes 26 for accommodating the limiting support pillars 25 are disposed on the bottom surface of the upper screen, wherein the limiting holes 26 correspond to the limiting support pillars 25 one to one.

The screen cloth positioned below and the screen cloth positioned above are effectively limited through the matching of the limiting support columns 25 and the limiting holes 26. The limiting support columns 25 are arranged on the top surfaces of the screens below, the limiting support columns 25 extend upwards and extend into the limiting holes 26 of the screens above, so that the two screens above and below can be effectively aligned up and down and keep the stability of the relative positions. Under the vibration effect of vibrator 4, the relative position between the multilayer screen cloth is effectively injectd, avoids taking place the dislocation each other, combines spacing riser 11 to the limited action of screen cloth lateral wall, makes effectual screening material under the stable prerequisite of assurance relative position of every screen cloth, guarantees good screening effect.

In some embodiments, the feature placement frame 14 may be configured as shown in FIG. 1. Referring to fig. 1, the top surface of the placing frame 14 is also provided with a plurality of upwardly extending limiting support pillars 25, and the bottom surface of the fourth screen 24 is provided with a plurality of limiting holes 26.

The positions of the placement frame 14 and the fourth screen 24 are also limited by limiting support columns 25 and limiting holes 26, the limiting support columns 25 are arranged on the top surface of the placement frame 14, the limiting holes 26 are arranged on the bottom surface of the fourth screen 24, and the limiting support columns and the limiting holes can be matched with each other to achieve the limiting effect of the placement frame 14 and the fourth screen 24.

In some possible implementations, the above-described feature screen is configured as shown in fig. 1 and 3. Referring to fig. 1 and 3, the number of the screens is four, the four screens are respectively a first screen 21, a second screen 22, a third screen 23 and a fourth screen 24 from top to bottom, the side length of each screen hole of the first screen 21 is 40mm, the side length of each screen hole of the second screen 22 is 25mm, the side length of each screen hole of the third screen 23 is 10mm, and the side length of each screen hole of the fourth screen 24 is 5 mm.

The screen cloth is provided with four, utilizes a plurality of screen cloths of different apertures to carry out the screening of different particle sizes of material. The first screen 21 intercepts materials with the particle size of more than 40mm above the net surface, the second screen 22 intercepts materials with the particle size of 25mm-40mm above the net surface, the third screen 23 intercepts materials with the particle size of 10mm-25mm above the net surface, the fourth screen 24 intercepts materials with the particle size of 5-10mm above the net surface, the plurality of screens screen screens sieve the materials in sequence, the materials with the largest particle size are isolated on the first screen 21, and the materials with the particle size of less than 5mm fall into the placing frame 14, sieve the materials into various different particle size grades, so that the detection accuracy is ensured.

In some possible implementations, the above-described characteristic frame 1 adopts a structure as shown in fig. 1 and 3. Referring to fig. 1 and 3, a push-pull handle 12 is arranged on the frame 1, a universal wheel 13 is arranged at the bottom of the frame 1, and a locking piece is arranged on the universal wheel 13.

The bottom of the frame 1 is provided with universal wheels 13, which facilitate the pushing of the frame 1 to change the position of the frame 1. Meanwhile, the push-pull handle 12 arranged on the rack 1 is convenient for pushing and pulling the rack 1 to realize the position transfer of the screening components. The locking piece that is equipped with on the universal wheel 13 can effectively lock the position of universal wheel 13, makes the stable lateral part that is located the sieve that shakes of frame 1, is convenient for utilize to get material frame 3 and carries out connecing of material and get, and then utilizes the screening subassembly to sieve the material of different particle sizes.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Screening apparatus, characterized in that, includes:

a frame, one side of which is provided with a vibrator;

the screening assembly is arranged on the rack and comprises a plurality of screens which are sequentially arranged from bottom to top and a placing frame arranged below the screen at the lowermost layer;

the material taking frame is connected above the screening component in a sliding mode along the horizontal direction and used for extending into the lower portion of the vibrating screen to receive materials;

wherein the size of the mesh of the screen mesh located above is larger than the size of the mesh of the screen mesh located below.

2. A screening apparatus according to claim 1, wherein the uppermost screen mesh is provided at its upper edge with a slide track and the bottom of the take-up frame is provided with a slide block in sliding engagement with the slide track.

3. A screening device as claimed in claim 2, wherein one end of said sliding track away from said vibrating screen is provided with a limiting block for limiting the sliding position of said material taking frame, a limiting table protruding downwards and abutting against the inner wall of said screen is provided on the bottom surface of said material taking frame, and said limiting table is located on one side of said material taking frame away from said vibrating screen.

4. A screening apparatus according to claim 3, wherein said take off frame is provided with a discharge opening at a side thereof remote from said vibrating screen, and a discharge plate is slidably attached to said take off frame and is capable of moving upwardly to open said discharge opening.

5. A screening apparatus according to claim 4, wherein the upper edge of said stripper plate is provided with upwardly extending lifting blocks.

6. A screening apparatus as recited in claim 1, wherein said screen has a rectangular horizontal projection, said frame having four retaining risers positioned on respective sides of said screen assemblies for retaining said screen, said vibrator being positioned on one of said retaining risers.

7. A screening apparatus as claimed in claim 6, wherein a plurality of upwardly extending limiting support posts are provided on the top surface of said screen below, and limiting holes for receiving said limiting support posts are provided on the bottom surface of said screen above, said limiting holes corresponding one-to-one with said limiting support posts.

8. A screening apparatus according to claim 7, wherein the top surface of said placement frame is also provided with a plurality of upwardly extending retaining support posts and the bottom surface of said screen mesh at the lowermost level is also provided with a plurality of retaining apertures.

9. A screening apparatus according to claim 1, wherein there are four said screens, four said screens being a first screen, a second screen, a third screen and a fourth screen from top to bottom, said first screen having a side length of screen openings of 40mm, said second screen having a side length of screen openings of 25mm, said third screen having a side length of screen openings of 10mm and said fourth screen having a side length of screen openings of 5 mm.

10. A screening apparatus according to claim 1, wherein said frame is provided with a push-pull handle and the bottom of said frame is provided with universal wheels, said universal wheels being provided with locking members.